Search Results: recent progress in astrophysics by abbot c g

Washington, D.C.: GPO Magazine. Very Good. Soft cover. pp175-194, plus three plates, other illustrations in the text. Removed from ANNUAL REPORT OF THE BOARD OF REGENTS OF THE SMITHSONIAN INSTITUTION FOR THE YEAR ENDING JUNE 30, 1913. VG. In plastic report covers. The author, born 1872, became acting director of the astrophysical observatory of the Smithsonian in 1896 and director in 1907. He completed the mapping of the infrared solar spectrum, and carried on extensive studies of solar radiation and the effect of sunspot cycles upon weather variation..